CA2469060C - Tower of a wind power installation - Google Patents
Tower of a wind power installation Download PDFInfo
- Publication number
- CA2469060C CA2469060C CA002469060A CA2469060A CA2469060C CA 2469060 C CA2469060 C CA 2469060C CA 002469060 A CA002469060 A CA 002469060A CA 2469060 A CA2469060 A CA 2469060A CA 2469060 C CA2469060 C CA 2469060C
- Authority
- CA
- Canada
- Prior art keywords
- segment
- segments
- pylon
- pylons
- heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/16—Prestressed structures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/60—Cooling or heating of wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2230/00—Manufacture
- F05B2230/60—Assembly methods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2230/00—Manufacture
- F05B2230/60—Assembly methods
- F05B2230/61—Assembly methods using auxiliary equipment for lifting or holding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/91—Mounting on supporting structures or systems on a stationary structure
- F05B2240/911—Mounting on supporting structures or systems on a stationary structure already existing for a prior purpose
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/91—Mounting on supporting structures or systems on a stationary structure
- F05B2240/912—Mounting on supporting structures or systems on a stationary structure on a tower
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/30—Wind power
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Wind Motors (AREA)
- Road Paving Structures (AREA)
- Foundations (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
There are various pylons of wind power installations, primarily lattice mast pylons, tubular steel pylons or concrete pylons. In the case of pylons of concrete, there are various possible ways of producing same, inter alia also erecting pylons from ready-made reinforced concrete parts, wherein the individual ready-made reinforced concrete parts form respective segments which are laid one upon the other and which are then braced to each other.
The object of the invention is to speed up construction of a pylon comprising segments disposed in mutually superposed relationship, with a bonding material between the segments.
A pylon of a wind power installation, wherein the pylon comprises mutually superposed segments and there is a bonding material between the mutually superposed segments, characterised in that a heating element is provided in the upper region of the downwardly disposed segment and/or in the lower region of the upwardly disposed segment on the side of the segment, which is towards the oppositely disposed segment.
The object of the invention is to speed up construction of a pylon comprising segments disposed in mutually superposed relationship, with a bonding material between the segments.
A pylon of a wind power installation, wherein the pylon comprises mutually superposed segments and there is a bonding material between the mutually superposed segments, characterised in that a heating element is provided in the upper region of the downwardly disposed segment and/or in the lower region of the upwardly disposed segment on the side of the segment, which is towards the oppositely disposed segment.
Description
Tower Of A Wind Power Installation There are various pylons of wind power installations, primarily lattice mast pylons, tubular steel pylons or concrete pylons. In the case of pylons of concrete, there are various possible ways of producing same, inter alia also erecting pylons from ready-made reinforced concrete parts, wherein the individual ready-made reinforced concrete parts form respective segments which are laid one upon the other and which are then braced to each other. A process for producing a pylon from ready-made reinforced concrete parts is known for example from DE 100 33 845.3 (not yet published at the filing date of the present application).
In the case of such pylons of concrete segments, the individual segments (in practice each segment is of a different shape) are not only simply laid one upon the other, but they are also connected to each other by way of a suitable bonding material. Those bonding materials can be a polymer (for example epoxy resin) and the layer thickness of the bonding material is usually at least 2 mm.
When now such a segment-type pylon is produced, the procedure, after positioning a segment, involves applying to the top side of the segment the bonding material which then in turn can harden after the next segment has been laid in place. That in turn is followed by application of bonding material to the freshly laid segment, and so forth.
Under some circumstances however a problem can arise with the bonding material when the pylon is erected at a cold time of the year. More specifically, the bonding material usually requires a minimum temperature for it to harden and, if the outside temperature is low, for example around 0 C, either the bonding material does not harden or -hardening takes a very long period of time, which considerably delays total erection of the pylon.
The object of the invention is to speed up construction of a pylon comprising segments disposed in mutually superposed relationship, with a bonding material between the segments.
In the case of such pylons of concrete segments, the individual segments (in practice each segment is of a different shape) are not only simply laid one upon the other, but they are also connected to each other by way of a suitable bonding material. Those bonding materials can be a polymer (for example epoxy resin) and the layer thickness of the bonding material is usually at least 2 mm.
When now such a segment-type pylon is produced, the procedure, after positioning a segment, involves applying to the top side of the segment the bonding material which then in turn can harden after the next segment has been laid in place. That in turn is followed by application of bonding material to the freshly laid segment, and so forth.
Under some circumstances however a problem can arise with the bonding material when the pylon is erected at a cold time of the year. More specifically, the bonding material usually requires a minimum temperature for it to harden and, if the outside temperature is low, for example around 0 C, either the bonding material does not harden or -hardening takes a very long period of time, which considerably delays total erection of the pylon.
The object of the invention is to speed up construction of a pylon comprising segments disposed in mutually superposed relationship, with a bonding material between the segments.
In accordance with the invention that object is attained by the features of claim 1. Advantageous developments are set forth in the appendant claims.
In accordance with the invention, at least one side of segments which are disposed in mutually superposed relationship is provided with a heating module and said heating module preferably comprises a simple heating wire, a PCT resistance wire or also steel wire (welding wire).
If a high current, for example in the range of 70 to 150 A, flows through such a wire, then the wire heats up and the bonding material applied to the top side of the segment can harden quickly in the desired manner, in spite of cold outside temperatures.
To achieve a good heating effect, it is advantageous if the heating module is provided over the entire surface area within the upper region of a concrete segment in order to achieve maximum possible transmission of heat to the bonding material.
That great heating effect can also be achieved for example if a heating wire is arranged in a meander configuration within the upper region in the concrete of the pylon segment and, of that heating wire, then only the two connecting terminals are still accessible. It is then possible to connect to those connecting terminals for example a conventional welding transformer which is capable of passing a high current through wire, so that then the desired heating effect in relation to the upper region of the segment and therewith also the bonding material occurs.
The invention is illustrated hereinafter with reference to the drawing in which:
Figure 1 shows a view on to a pylon segment according to the invention, Figure 2 shows a measurement curve in respect of various measurement points and the air of a pylon segment according to the invention, Figure 3 shows an illustration of the manner of laying a heating wire in the pylon segment when segments are disposed in mutually superposed relationship, and Figure 4 shows a view of a pylon, consisting of pylon segments, of a wind power installation.
Figure 1 shows a round pylon segment 4 (viewing from above) with a portion removed from the surface of a pylon segment. It is to be seen in this respect that a heating module 1 is let into the upper region 2 of the pylon segment, the heating module comprising a heating wire 5 which is disposed in a meander configuration within the concrete segment 4. It is also possible to see two connecting terminals 6a, 6b for the heating wire 5, to which it is possible to connect for example a welding transformer which generates a high current which can be passed through the heating wire 5 so that the heating wire 5 is heated and then also provides for heating the concrete in the uppermost region of the segment so that the bonding material on the segment can harden.
Figure 3 shows an illustration of segments which are laid in mutually superposed relationship. Illustrated here are two segments 4, 6 which are arranged in mutually superposed relationship and of which the lower segment 4 is interrupted in the region of a reinforced concrete arrangement (which is not of particular significance here). It is also possible to see there the heating wire 5 which is laid in the upper region of the pylon segment.
The segments 4 and 6 are arranged in mutually superposed relationship in such a way that casing tubes 7 of a tensioning device in the segments 4, 6 are disposed in substantially aligned mutually opposite relationship. The tensioning device 8 is let into the lower segment 4 in positively locking relationship and the upper edge of the peripherally extending rim terminates flush with the surface of the segment 4. The tubular portion 12 engages into the casing tube 7 which is integrated in the segment 4.
A seal 20 is fitted in the part of the device 8, which is provided to receive the seal 20, and the seal bears with its top side firmly against the lower segment 6.
When erecting the pylon comprising the segments 4, 6, firstly preferably three spacers 32 are arranged distributed at approximately equal spacings around the periphery on the upwardly facing surfaces of the segment 4 which was fitted last, being the lower segment.
In accordance with the invention, at least one side of segments which are disposed in mutually superposed relationship is provided with a heating module and said heating module preferably comprises a simple heating wire, a PCT resistance wire or also steel wire (welding wire).
If a high current, for example in the range of 70 to 150 A, flows through such a wire, then the wire heats up and the bonding material applied to the top side of the segment can harden quickly in the desired manner, in spite of cold outside temperatures.
To achieve a good heating effect, it is advantageous if the heating module is provided over the entire surface area within the upper region of a concrete segment in order to achieve maximum possible transmission of heat to the bonding material.
That great heating effect can also be achieved for example if a heating wire is arranged in a meander configuration within the upper region in the concrete of the pylon segment and, of that heating wire, then only the two connecting terminals are still accessible. It is then possible to connect to those connecting terminals for example a conventional welding transformer which is capable of passing a high current through wire, so that then the desired heating effect in relation to the upper region of the segment and therewith also the bonding material occurs.
The invention is illustrated hereinafter with reference to the drawing in which:
Figure 1 shows a view on to a pylon segment according to the invention, Figure 2 shows a measurement curve in respect of various measurement points and the air of a pylon segment according to the invention, Figure 3 shows an illustration of the manner of laying a heating wire in the pylon segment when segments are disposed in mutually superposed relationship, and Figure 4 shows a view of a pylon, consisting of pylon segments, of a wind power installation.
Figure 1 shows a round pylon segment 4 (viewing from above) with a portion removed from the surface of a pylon segment. It is to be seen in this respect that a heating module 1 is let into the upper region 2 of the pylon segment, the heating module comprising a heating wire 5 which is disposed in a meander configuration within the concrete segment 4. It is also possible to see two connecting terminals 6a, 6b for the heating wire 5, to which it is possible to connect for example a welding transformer which generates a high current which can be passed through the heating wire 5 so that the heating wire 5 is heated and then also provides for heating the concrete in the uppermost region of the segment so that the bonding material on the segment can harden.
Figure 3 shows an illustration of segments which are laid in mutually superposed relationship. Illustrated here are two segments 4, 6 which are arranged in mutually superposed relationship and of which the lower segment 4 is interrupted in the region of a reinforced concrete arrangement (which is not of particular significance here). It is also possible to see there the heating wire 5 which is laid in the upper region of the pylon segment.
The segments 4 and 6 are arranged in mutually superposed relationship in such a way that casing tubes 7 of a tensioning device in the segments 4, 6 are disposed in substantially aligned mutually opposite relationship. The tensioning device 8 is let into the lower segment 4 in positively locking relationship and the upper edge of the peripherally extending rim terminates flush with the surface of the segment 4. The tubular portion 12 engages into the casing tube 7 which is integrated in the segment 4.
A seal 20 is fitted in the part of the device 8, which is provided to receive the seal 20, and the seal bears with its top side firmly against the lower segment 6.
When erecting the pylon comprising the segments 4, 6, firstly preferably three spacers 32 are arranged distributed at approximately equal spacings around the periphery on the upwardly facing surfaces of the segment 4 which was fitted last, being the lower segment.
The spacers 32 are preferably of wood and are of a height of about 5 mm (depending on the surface roughness of the segments), which corresponds to the intended spacing 30 between the segments 4, 6 after assembly. The modulus of elasticity of wood is in a range which on the one hand makes it possible for wood to be able to withstand for some time the forces which occur in the pylon, but which on the other hand provides that irregularities and unevenness in the mutually opposite surfaces of the segments 4, 6 are pressed into the wood and thus flaking-off or chipping-off phenomena on the segments 4, 6 are avoided.
In that respect, levelling of the segments 4, 6 can be achieved by suitable selection of the height of the spacers 32 (the spacing may also be approximately only 2 mm), in accordance with the inevitable production inaccuracies of the segments 4, 6.
Before the operation of laying the upper segment 6 and the lower segment 4, a bonding material 34 is applied to the upper surface of the segment 4 to cover the area thereof. In that respect the positions at which the casing tubes 7, 8 in the segments 4, 6 and the casing tube 7 in the upper segment 6 and the device 8 with the seal 20 in the lower segment 4 are in mutually opposite relationship are left clear upon applying the bonding material 34, insofar as the bonding material 34 can be applied as far as the projection 23.
The bonding material 34 which is applied to cover the surface area is preferably an epoxy resin (or another polymer) and is applied at least in a layer thickness of about 2 to 6 mm which substantially corresponds to the intended spacing 30 between the segments 4 and 6.
When such a pylon is constructed at the cold time of year, where the temperature is not infrequently below the freezing point for the entire day (also because wind power installations are also erected at very unprotected positions), the epoxy resin normally hardens, if at- all, only very slowly, which overall greatly slows down the procedure involved in erecting the pylon, because further positioning of further segments also presupposes hardening of the epoxy resin between the lower segments which have already been positioned.
In the case of the pylon according to the invention the pylon construction team can then activate the heating modules or heating means already provided in the segments, by for example a welding transformer being connected to the heating wire by way of the connecting terminals 6a, 5 6b. The welding current is in a range of 60 to 150 A (or below that or above it). The segment 4 now heats up at its top side, and the bonding material also, and the bonding material can harden as desired within a short time.
As the provision of a heating module in the form of a normal steel wire or heating wire or welding wire is very convenient and inexpensive, it 1o can remain in the concrete of the segment even after the pylon has hardened. In any case a pylon segment includes a plurality of steel bracings in order to increase its strength.
In order to avoid the heating wire 5 coming into contact with other electrically conducting parts in the segment, it may also be appropriate if the heating wire 5 is provided with a heat-conducting but electrically insulating layer. Such insulation however should be resistant in respect of shape and heat at temperatures of up to 60 to 100 C.
Figure 2 shows the temperature characteristic of an embodiment of the invention. It can be seen in this respect how the outside temperature curve firstly drops to a range of about -12 to -15 C.
Above the temperature curve there are the curves K1, K2 and K3, wherein K1 is the temperature of the heating line (heating module, heating wire), K2 is the temperature in a concrete corner and K3 is the temperature at the concrete centre (surface of the segment). As can be seen, as soon as a current of about 80 to 90 A flows through the heating wire 5, the temperature rises almost linearly and the temperature of the concrete also rises with the temperature of the heating wire, delayed by a short time. In that way the bonding material, in the specific case therefore the epoxy resin, can rapidly harden and the operation of. laying down further segments can progress quickly.
It will be appreciated that it is also possible for the heating wire to be provided not only in the uppermost region of the lower segment but in addition also in the lower region of the upper segment 6 so that still more heat can be applied to the bonding material, which further accelerates hardening thereof.
The variant according to the invention, for heating a segment, has the advantage that it is highly favourable, and finally the costs of the normal steel wire which is used as the heating wire are in the region of a few hundredths of a German mark per metre.
The operation of laying such a heating wire is also very uncomplicated and can be quickly finished in production of the segment.
Therefore, there is also no disadvantage if the heating wire remains in the segment itself, even if the heating wire is not used at all because the pylon is erected in warm temperatures.
When the heating wire is provided however it is also possible to erect the pylons of wind power installations even at the cold time of the year and thus irrespective of the weather and the season.
It will be appreciated that the heating wire may be laid not only for example in a meander configuration but in any other form, even in such a way that the heating wire itself assumes the shape of a circle.
Figure 4 shows a view of a pylon comprising pylon segments according to the invention which are placed one upon the other and which are braced relative to each other by means of a bracing device (not shown).
In that respect, levelling of the segments 4, 6 can be achieved by suitable selection of the height of the spacers 32 (the spacing may also be approximately only 2 mm), in accordance with the inevitable production inaccuracies of the segments 4, 6.
Before the operation of laying the upper segment 6 and the lower segment 4, a bonding material 34 is applied to the upper surface of the segment 4 to cover the area thereof. In that respect the positions at which the casing tubes 7, 8 in the segments 4, 6 and the casing tube 7 in the upper segment 6 and the device 8 with the seal 20 in the lower segment 4 are in mutually opposite relationship are left clear upon applying the bonding material 34, insofar as the bonding material 34 can be applied as far as the projection 23.
The bonding material 34 which is applied to cover the surface area is preferably an epoxy resin (or another polymer) and is applied at least in a layer thickness of about 2 to 6 mm which substantially corresponds to the intended spacing 30 between the segments 4 and 6.
When such a pylon is constructed at the cold time of year, where the temperature is not infrequently below the freezing point for the entire day (also because wind power installations are also erected at very unprotected positions), the epoxy resin normally hardens, if at- all, only very slowly, which overall greatly slows down the procedure involved in erecting the pylon, because further positioning of further segments also presupposes hardening of the epoxy resin between the lower segments which have already been positioned.
In the case of the pylon according to the invention the pylon construction team can then activate the heating modules or heating means already provided in the segments, by for example a welding transformer being connected to the heating wire by way of the connecting terminals 6a, 5 6b. The welding current is in a range of 60 to 150 A (or below that or above it). The segment 4 now heats up at its top side, and the bonding material also, and the bonding material can harden as desired within a short time.
As the provision of a heating module in the form of a normal steel wire or heating wire or welding wire is very convenient and inexpensive, it 1o can remain in the concrete of the segment even after the pylon has hardened. In any case a pylon segment includes a plurality of steel bracings in order to increase its strength.
In order to avoid the heating wire 5 coming into contact with other electrically conducting parts in the segment, it may also be appropriate if the heating wire 5 is provided with a heat-conducting but electrically insulating layer. Such insulation however should be resistant in respect of shape and heat at temperatures of up to 60 to 100 C.
Figure 2 shows the temperature characteristic of an embodiment of the invention. It can be seen in this respect how the outside temperature curve firstly drops to a range of about -12 to -15 C.
Above the temperature curve there are the curves K1, K2 and K3, wherein K1 is the temperature of the heating line (heating module, heating wire), K2 is the temperature in a concrete corner and K3 is the temperature at the concrete centre (surface of the segment). As can be seen, as soon as a current of about 80 to 90 A flows through the heating wire 5, the temperature rises almost linearly and the temperature of the concrete also rises with the temperature of the heating wire, delayed by a short time. In that way the bonding material, in the specific case therefore the epoxy resin, can rapidly harden and the operation of. laying down further segments can progress quickly.
It will be appreciated that it is also possible for the heating wire to be provided not only in the uppermost region of the lower segment but in addition also in the lower region of the upper segment 6 so that still more heat can be applied to the bonding material, which further accelerates hardening thereof.
The variant according to the invention, for heating a segment, has the advantage that it is highly favourable, and finally the costs of the normal steel wire which is used as the heating wire are in the region of a few hundredths of a German mark per metre.
The operation of laying such a heating wire is also very uncomplicated and can be quickly finished in production of the segment.
Therefore, there is also no disadvantage if the heating wire remains in the segment itself, even if the heating wire is not used at all because the pylon is erected in warm temperatures.
When the heating wire is provided however it is also possible to erect the pylons of wind power installations even at the cold time of the year and thus irrespective of the weather and the season.
It will be appreciated that the heating wire may be laid not only for example in a meander configuration but in any other form, even in such a way that the heating wire itself assumes the shape of a circle.
Figure 4 shows a view of a pylon comprising pylon segments according to the invention which are placed one upon the other and which are braced relative to each other by means of a bracing device (not shown).
Claims (6)
1. A pylon of a wind power installation, comprising:
a plurality of mutually superposed segments (4, 6) each having a first and second face side, and a bonding material between the mutually superposed segments (4, 6), wherein at least one of the segments comprises a heating element on its first or second face side for heating the first or second face side of the segment.
a plurality of mutually superposed segments (4, 6) each having a first and second face side, and a bonding material between the mutually superposed segments (4, 6), wherein at least one of the segments comprises a heating element on its first or second face side for heating the first or second face side of the segment.
2. A pylon according to claim 1, wherein the heating element comprises a heating wire or a positive temperature coefficient resistance wire arranged on the first or second face side of the segment.
3. A pylon according to claim 2, characterised in that the heating wire (5) or the positive temperature coefficient resistance wire is a wire through which current flows for heating thereof.
4. A pylon according to any one of the claims 1 to 3, wherein the heating wire (5) is laid in a meander configuration at the first or second face side of the segment.
5. A pylon according to one of the claims 1 to 4, further comprising a current connection terminal (6a, 6b) for heating the heating wire (5) to which a current generating device can be connected.
6. A wind power installation comprising a pylon according to one of the claims 1 to 5.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10160306.1 | 2001-12-07 | ||
DE10160306A DE10160306B4 (en) | 2001-12-07 | 2001-12-07 | Tower of a wind turbine |
PCT/EP2002/013844 WO2003048570A1 (en) | 2001-12-07 | 2002-12-06 | Tower of a wind power installation |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2469060A1 CA2469060A1 (en) | 2003-06-12 |
CA2469060C true CA2469060C (en) | 2008-06-03 |
Family
ID=7708484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002469060A Expired - Fee Related CA2469060C (en) | 2001-12-07 | 2002-12-06 | Tower of a wind power installation |
Country Status (19)
Country | Link |
---|---|
US (1) | US7549264B2 (en) |
EP (1) | EP1466095B1 (en) |
JP (1) | JP4615220B2 (en) |
KR (1) | KR100607976B1 (en) |
CN (1) | CN1311162C (en) |
AR (1) | AR037752A1 (en) |
AT (1) | ATE382791T1 (en) |
AU (1) | AU2002361984B2 (en) |
BR (1) | BR0214732B1 (en) |
CA (1) | CA2469060C (en) |
DE (2) | DE10160306B4 (en) |
DK (1) | DK1466095T3 (en) |
ES (1) | ES2295445T3 (en) |
IS (1) | IS2523B (en) |
NO (1) | NO327640B1 (en) |
NZ (1) | NZ533401A (en) |
PL (1) | PL206696B1 (en) |
PT (1) | PT1466095E (en) |
WO (1) | WO2003048570A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108547456A (en) * | 2018-06-15 | 2018-09-18 | 中国二十二冶集团有限公司 | Wind-powered electricity generation precast prestressed concrete tower filling device |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10145414B4 (en) * | 2001-09-14 | 2013-09-12 | Aloys Wobben | Method for constructing a wind energy plant, wind energy plant |
WO2004067959A1 (en) * | 2003-02-01 | 2004-08-12 | Aloys Wobben | Method for the erection of a wind energy plant and wind energy plant |
US7748307B2 (en) * | 2006-08-04 | 2010-07-06 | Gerald Hallissy | Shielding for structural support elements |
WO2008136717A1 (en) * | 2007-05-07 | 2008-11-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Antenna tower structure with installation shaft |
US7926407B1 (en) * | 2007-11-16 | 2011-04-19 | Gerald Hallissy | Armor shielding |
DE202008010515U1 (en) | 2008-08-07 | 2008-12-11 | Fiber-Tech Products Gmbh | Tower of a wind turbine |
CN102356205A (en) * | 2009-03-19 | 2012-02-15 | 瑞典爱立信有限公司 | Tubular telecom tower structure |
ES2415205T3 (en) | 2009-05-21 | 2013-07-24 | Alstom Wind Sl | Composite connection for a tower structure of a wind turbine |
DK2330263T3 (en) | 2009-12-01 | 2016-06-06 | Siemens Ag | concrete Tower |
CN101943133A (en) * | 2010-09-16 | 2011-01-12 | 南京信息工程大学 | Long-life wind driven generator |
CN102135077B (en) * | 2011-04-22 | 2013-03-27 | 辽宁大金重工股份有限公司 | Stretched type multi-segment concrete wind power tower frame |
US8245458B2 (en) | 2011-05-17 | 2012-08-21 | General Electric Company | Wind turbine with tower support system and associated method of construction |
ES2526248B1 (en) * | 2013-07-05 | 2015-11-03 | Acciona Windpower, S.A. | Dovela for wind tower and method of manufacturing a wind tower using said dovela |
WO2020069070A1 (en) * | 2018-09-28 | 2020-04-02 | General Electric Company | Method for manufacturing wind turbine tower structure with embedded reinforcement sensing elements |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1997969A (en) * | 1933-01-07 | 1935-04-16 | Kellogg M W Co | Electric arc welding method |
US2172703A (en) * | 1935-01-11 | 1939-09-12 | E freyssinet | |
US3270480A (en) * | 1965-04-07 | 1966-09-06 | Beecker William | Tapered sectional support pole |
US3676641A (en) * | 1971-01-15 | 1972-07-11 | Wallace A Olson | Apparatus for assisting in the curing of concrete and for heating |
US4141187A (en) * | 1977-01-28 | 1979-02-27 | Graves Robert J | Roofing and surfacing material and method |
US4238105A (en) * | 1979-01-22 | 1980-12-09 | Therma Form, Inc. | Mold panel for casting concrete |
US4640266A (en) * | 1984-08-29 | 1987-02-03 | Zubin Levy | Sensory stimulation enclosure |
US4640226A (en) * | 1984-10-18 | 1987-02-03 | Liff Walter H | Bird watering apparatus |
US4803819A (en) * | 1986-11-03 | 1989-02-14 | Frank Kelsey | Utility pole and attachments formed by pultrusion of dielectric insulating plastic, such as glass fiber reinforced resin |
DE69315221T2 (en) | 1992-09-08 | 1998-05-28 | E. O. Butts Consultants Ltd., Nepean, Ontario | ELECTRO-WELDING OF THERMOPLASTIC MATERIALS |
DE19547901A1 (en) | 1995-12-21 | 1997-06-26 | Schmitz Tona Tonwerke | Chimney stacks having joints with improved seal |
JPH09324460A (en) * | 1996-06-06 | 1997-12-16 | Yamaki Kenzai Kk | Box culvert and water stop continuously arranging construction method therefor |
CN2318425Y (en) * | 1997-01-15 | 1999-05-12 | 宋忠东 | Wind power generation tower with wind-driven machine using natural wine |
DE19703856A1 (en) | 1997-02-03 | 1998-08-06 | Estebanez Eva Garcia | Joint filling method for forming steel joints in heavy machines, e.g. cranes |
DE29809541U1 (en) * | 1998-05-27 | 1999-10-07 | Arand, Wilfried, 59425 Unna | Device for producing tall, hollow, tower-like structures of two hundred meters in height and more, in particular towers for wind turbines |
JP2000283018A (en) * | 1999-03-30 | 2000-10-10 | Fuji Heavy Ind Ltd | Horizontal shaft windmill and construction method thereof |
JP2000283019A (en) | 1999-03-31 | 2000-10-10 | Pc Bridge Co Ltd | Concrete windmill support tower and its construction method |
JP2001317678A (en) * | 2000-05-12 | 2001-11-16 | Nkk Corp | Electric fusion joint |
DE10033845A1 (en) * | 2000-07-12 | 2002-01-24 | Aloys Wobben | Pre-stressed concrete tower |
US6350969B1 (en) * | 2000-11-10 | 2002-02-26 | Jona Group, Ltd. | Self-regulating heater |
US20030061781A1 (en) * | 2001-10-03 | 2003-04-03 | Smith Russell K. | Support system for a structure |
US6640505B1 (en) * | 2001-10-25 | 2003-11-04 | Bebotech Corporation | Hybrid arched overfilled structure |
-
2001
- 2001-12-07 DE DE10160306A patent/DE10160306B4/en not_active Expired - Fee Related
-
2002
- 2002-12-06 PT PT02796580T patent/PT1466095E/en unknown
- 2002-12-06 DK DK02796580T patent/DK1466095T3/en active
- 2002-12-06 BR BRPI0214732-7A patent/BR0214732B1/en not_active IP Right Cessation
- 2002-12-06 JP JP2003549729A patent/JP4615220B2/en not_active Expired - Fee Related
- 2002-12-06 AT AT02796580T patent/ATE382791T1/en active
- 2002-12-06 WO PCT/EP2002/013844 patent/WO2003048570A1/en active IP Right Grant
- 2002-12-06 AU AU2002361984A patent/AU2002361984B2/en not_active Ceased
- 2002-12-06 NZ NZ533401A patent/NZ533401A/en not_active IP Right Cessation
- 2002-12-06 DE DE50211489T patent/DE50211489D1/en not_active Expired - Lifetime
- 2002-12-06 KR KR1020047008363A patent/KR100607976B1/en active IP Right Grant
- 2002-12-06 CN CNB028243056A patent/CN1311162C/en not_active Expired - Fee Related
- 2002-12-06 CA CA002469060A patent/CA2469060C/en not_active Expired - Fee Related
- 2002-12-06 US US10/497,840 patent/US7549264B2/en not_active Expired - Fee Related
- 2002-12-06 EP EP02796580A patent/EP1466095B1/en not_active Expired - Lifetime
- 2002-12-06 PL PL369136A patent/PL206696B1/en unknown
- 2002-12-06 ES ES02796580T patent/ES2295445T3/en not_active Expired - Lifetime
- 2002-12-09 AR ARP020104754A patent/AR037752A1/en not_active Application Discontinuation
-
2004
- 2004-06-03 IS IS7295A patent/IS2523B/en unknown
- 2004-07-06 NO NO20042858A patent/NO327640B1/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108547456A (en) * | 2018-06-15 | 2018-09-18 | 中国二十二冶集团有限公司 | Wind-powered electricity generation precast prestressed concrete tower filling device |
Also Published As
Publication number | Publication date |
---|---|
EP1466095B1 (en) | 2008-01-02 |
JP4615220B2 (en) | 2011-01-19 |
NO327640B1 (en) | 2009-09-07 |
US7549264B2 (en) | 2009-06-23 |
AR037752A1 (en) | 2004-12-01 |
KR20050005401A (en) | 2005-01-13 |
NZ533401A (en) | 2005-12-23 |
BR0214732B1 (en) | 2011-05-31 |
EP1466095A1 (en) | 2004-10-13 |
DE10160306B4 (en) | 2004-01-15 |
DK1466095T3 (en) | 2008-03-31 |
ES2295445T3 (en) | 2008-04-16 |
DE50211489D1 (en) | 2008-02-14 |
CN1599841A (en) | 2005-03-23 |
PT1466095E (en) | 2008-02-06 |
NO20042858L (en) | 2004-07-06 |
BR0214732A (en) | 2004-09-14 |
IS2523B (en) | 2009-07-15 |
KR100607976B1 (en) | 2006-08-02 |
PL206696B1 (en) | 2010-09-30 |
WO2003048570A8 (en) | 2004-12-09 |
DE10160306A1 (en) | 2003-06-26 |
US20050091938A1 (en) | 2005-05-05 |
AU2002361984B2 (en) | 2005-09-01 |
ATE382791T1 (en) | 2008-01-15 |
IS7295A (en) | 2004-06-03 |
CN1311162C (en) | 2007-04-18 |
WO2003048570A1 (en) | 2003-06-12 |
AU2002361984A1 (en) | 2003-06-17 |
CA2469060A1 (en) | 2003-06-12 |
JP2005511956A (en) | 2005-04-28 |
PL369136A1 (en) | 2005-04-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2469060C (en) | Tower of a wind power installation | |
DE69736324T2 (en) | SELF-BROKEN PHOTOVOLTAIC LIGHT WEIGHT ROOF COVER | |
US6955012B2 (en) | Roof and roof board material | |
US9194611B2 (en) | Self-ballasted, roof-integrated, lightweight FRC PV mounting system | |
US20110094169A1 (en) | Light weight molded roof tile | |
US20130186017A1 (en) | Solar panel support structure | |
US7765757B2 (en) | Device and method for reinforcing attachment of lightweight insulating concrete top coat to an underlying roof deck in a roof system | |
US20120061046A1 (en) | Interlocking roof mounted heat-transfer panels | |
EP2738479A2 (en) | Heat storage floor covering and storage plate for the same | |
CN108457390B (en) | Light-weight weather-resistant assembled external wall insulation board | |
DE102011008591A1 (en) | Vertically adjustable, motion accommodating and partially reversible universal mounting bracket for penetration-free assembly of e.g. photovoltaic plants, on roof of e.g. building, has base plate mounted using adhesive | |
EP3319228A1 (en) | An integrated solar panel to a tiled roof | |
JP5893273B2 (en) | Lower layer structure of solar cell panel and exterior structure including solar cell panel | |
CN211736200U (en) | Ground expansion joint structure | |
JP2003313997A (en) | Roof floor greening method for building | |
CN220686540U (en) | Leakage-free structure of flat slope roof | |
CN220202765U (en) | Self-adhesive butyl rubber water stop steel plate fixing device | |
AU2003231587B2 (en) | Support Assembly and Components Therefor | |
CN111173232A (en) | Ground expansion joint structure and construction method thereof | |
JPS5939558Y2 (en) | Heat exchanger | |
RU139223U1 (en) | HEATING ELEMENT (OPTIONS) | |
CN100467959C (en) | Combined geothermal device and component thereof | |
CN114250916A (en) | Roof part connecting device and roof structure | |
JPS5898559A (en) | Heat insulating roof | |
CN1337515A (en) | Multifunctional finned box type roof board |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20191206 |